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CONTENTS
WITH INDEX TO THE MOST IMPORTANT FORMULÆ | ||
PAGE | ||
Introduction | 1 | |
SECTION I
Formulæ of the First Order of Approximation | ||
FORMULA | ||
I. | Reflector. Conjugate Focal Distances | 6 |
II. | Single Surface Refraction. Conjugate Focal Distances | 7 |
III. | Refraction by Thin Lens. Conjugate Focal Distances | 10 |
IV. | Position of First Principal Point of a Thick Lens | 14 |
V. | Position of Second Principal Point of a Thick Lens | 17 |
Va. | Back Focal Length of a Thick Lens | 17 |
VI. | Equivalent Focal Length of a Thick Lens | 10 |
VII. | „„„ | 17 |
VIII. | Percentage Variation in Power of a Lens due to Thickness | 18 |
SECTION II | ||
The Theorem of Elements | 20 | |
SECTION III
Equivalent Focal Lengths and Principal Points of Thick Lenses and of Lens Systems | ||
IXa. | Position of First Principal Point of a Thick Lens or Pair of Elements, equivalent to Formula IV | 26 |
IXb. | Position of Second Principal Point of a Thick Lens or Pair of Elements, equivalent to Formula V | 26 |